Here is an updated document including 2 new designs from Steve, numbers 22 and 23.
Some of the designs I messed with, like those between Design 9 and 14, are asymmetrical layouts not mirror imaged laterally. The sailmaker tells me they can probably lay out the asymmetrical colors.
Here's the link for the web-based drawing tool: https://www.onesails.com/uk/paint-your-spi/
To lay out colors for an asymmetrical spinnaker, select the "Gennaker" radio button. Three colors is free; more than 3 costs more. Avoid alternating different colors across the center of the sail for more consistent stretch characteristics. I could find no way to save the output except capture the window, paste it, and crop it. The numbering of these designs starts at 3 because I sent two in to Quantum already.
Note that there are a few subtle differences in how Quantum lays out the design of an A-sail, particularly in the second horizontal section down. But this English OneSails tool is pretty close.
Here is one of the images...
